Pipe bender



FIG. 1 is a top plan view of a pipe bender, showing my new design; the broken lines indicating a handle are shown for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a pipe bender, as shown and described. 